Perrin Transmission Support Mount - 2013+ FR-S / BRZ
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WHY DO I WANT STIFFER TRANSMISSION MOUNTS?
The PERRIN Transmission Mount Support reduces drivetrain movements under hard acceleration, deceleration and corning, which allows your engine to transmit more power to the wheels. This means better, more accurate launches for drag racing and auto cross type events where you do not want drivetrain slop.
HOW DOES IT WORK?
The factory "T" shaped interlocking support does not fit snugly into the transmission mount. The gaps around this "T" shaped piece allow the transmission to move roughly .500" in all directions. The PERRIN Tranny Mount Support is a larger version of the factory piece, eliminating the gaps and reducing transmission movements. The PERRIN Tranny Mount Support, will only allow .100" of maximum deflection keeping the back end of the tranny in place during extreme driving and giving the driver a positive shift feel.
PERRIN tranny mount support pieces are made from CNC'ed 6061-T6 aluminum which means nothing will wear out and no urethane which will eventually squeak.
The PERRIN tranny mount support will stiffen your stock transmission mounts which will add some added NVH (noise, vibration, harshness.) For most people this is pleasing, feeling your engine solidly connected to the chassis, versus having that sloppy disconnected feel.
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